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Researchers at Oregon State University have discovered why vitamin E is essential for a healthy brain. A deficiency may cause neurological damage by interrupting a supply line of specific nutrients and robbing the brain of the building blocks it needs to maintain health. “You can’t build a house without the necessary materials,” said Maret Traber, PhD, lead author of the study, which was published in the Journal of Lipid Research. “In a sense,” she said, “if vitamin E is inadequate, we’re cutting by more than half the amount of materials with which we can build and maintain the brain.”